更新到 18.04 后，我决定更改我的桌面环境。因此，我下载了 KDE plasma 和 Budgie 来试用它们。我还在 BIOS 中启用了 (VX-t)，因为当我尝试启动 VM 时，GNOME 框会给我一个错误。现在我的启动时间是 1 分 40 秒。当我运行“systemd-analyze blame”时，它返回：
16.940s systemd-journal-flush.service 15.989s dev-mapper-ubuntu\x2d\x2dvg\x2droot.device 15.880s lvm2-monitor.service 14.754s keyboard-setup.service 11.447s mpd.service 10.569s systemd-tmpfiles-setup-dev.service 10.488s systemd-modules-load.service 7.866s NetworkManager-wait-online.service 5.778s NetworkManager.service 5.290s snapd.service 4.236s thermald.service 4.191s udisks2.service 3.831s accounts-daemon.service 3.822s networkd-dispatcher.service 3.779s wpa_supplicant.service 3.718s ModemManager.service 3.610s avahi-daemon.service 3.470s grub-common.service 3.367s lvm2-pvscan@8:3.service 2.812s resolvconf-pull-resolved.service 1.889s systemd-random-seed.service 1.807s lightdm.service 1.804s plymouth-quit-wait.service 1.768s polkit.service 1.545s apparmor.service 1.475s gpu-manager.service 1.282s nmbd.service 1.266s systemd-resolved.service 1.207s tlp.service 1.144s upower.service 1.080s systemd-timesyncd.service 1.040s smbd.service 1.035s packagekit.service 1.008s rsyslog.service 949ms dev-mqueue.mount 918ms apport.service 901ms systemd-tmpfiles-setup.service 881ms systemd-fsck@dev-disk-by\x2duuid-8236\x2dB737.service 879ms systemd-remount-fs.service 872ms sys-kernel-debug.mount 871ms dev-hugepages.mount 685ms snap-core-4206.mount 676ms bluetooth.service 663ms systemd-udev-trigger.service 639ms systemd-fsck@dev-disk-by\x2duuid-5a55c739\x2d20ac\x2d4b93\x2d954b\x2daa0a6caa40c7.service 603ms dev-loop0.device 547ms kmod-static-nodes.service 527ms snap-core-4486.mount 477ms boot.mount 462ms snap-core-4407.mount 426ms systemd-logind.service 396ms snap-discord-52.mount 328ms systemd-udevd.service 324ms [email protected]
288ms plymouth-read-write.service 278ms systemd-sysctl.service 262ms colord.service 244ms systemd-update-utmp.service 222ms systemd-journald.service 205ms dev-mapper-cryptswap1.swap 188ms ufw.service 183ms snap-canonical\x2dlivepatch-39.mount 158ms networking.service 139ms blk-availability.service 95ms setvtrgb.service 88ms plymouth-start.service 80ms boot-efi.mount 64ms dev-loop2.device 59ms [email protected]
43ms dev-loop3.device 40ms dev-loop4.device 36ms rtkit-daemon.service 33ms dev-loop1.device 30ms pppd-dns.service 29ms qemu-kvm.service 9ms speech-dispatcher.service 8ms ureadahead-stop.service 7ms kerneloops.service 6ms alsa-restore.service 4ms systemd-update-utmp-runlevel.service 2ms dns-clean.service 2ms systemd-backlight@backlight:intel_backlight.service 2ms console-setup.service 2ms systemd-user-sessions.service 1ms resolvconf.service 1ms sys-fs-fuse-connections.mount 1ms openvpn.service 1ms sys-kernel-config.mount 536us snapd.socket
我可以做些什么来改善我的系统？我运行的是 8x Intel Core i7-8550u CPU @ 18.GHZ 和 7,7GIB 的 RAM。